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Besides their potential medical use, modafinil analogues, including adrafinil, flmodafinil, fladrafinil, and modafiendz, are also sold online as substances that are believed to improve cognitive functions such as memory and focus (nootropics or "cognitive enhancers"). [1] [9] [10] [11]
Nootropics (/ n oʊ. ə ˈ t r oʊ p ɪ k s / noh-ə-TROHP-iks or / n oʊ. ə ˈ t r ɒ p ɪ k s / noh-ə-TROP-iks), [1] colloquially brain supplements, smart drugs and cognitive enhancers, are natural, semisynthetic or synthetic compounds which purportedly improve cognitive functions, such as executive functions, attention or memory.
[1] [2] [3] It is sold online and used non-medically as a nootropic (cognitive enhancer). [1] [2] [3] Modafinil and its analogues are known to act as dopamine reuptake inhibitors and this is thought to be involved in their wakefulness-promoting effects. [1]
Some supposed nootropic substances are compounds and analogues of choline, a precursor of acetylcholine (a neurotransmitter) and phosphatidylcholine (a structural component of cell membranes). Alpha-GPC – L-alpha glycerylphosphorylcholine has been studied only in the context of cognitive performance alongside other substances such as caffeine.
N-Phenylacetyl-l-prolylglycine ethyl ester is promoted as a nootropic and is a prodrug of cyclic glycine-proline. [a] [2] Other names include the brand name Noopept (Russian: Ноопепт), developmental code GVS-111, and proposed INN omberacetam. [2] [3] [4] Its synthesis was first reported in 1996. [2] It is orally available.
And some “may have merit,” Dr. Elizabeth Swenson, an ob-gyn at online health care provider Wisp, tells Yahoo Life, “since natural ingredients like L-arginine have been associated with ...
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